60% (1993)

52% (2010)

40% (2010)

63% (1997)

65% (2007)

60% (1984)

39% (2010)

60% (1994)

58% (1990)

0% (1993)

65% (1991)

67% (1997)

63% (1971)

53% (2002)

70% (1980)

48% (2001)

0% (2011)

63% (2002)

27% (2000)

51% (2020)